Multiple cropping; proceedings
Symposium on Multiple Cropping, Knox ville, Tennesseee, Aug.
Multiple cropping; proceedings - Madison American Society of Agronomy 1976 - 23cm; 378 - ASA special publication, no.27 .
MULTIPLE CROPPING -- CONGRESSES
CROPPING SYSTEM -- CONGRESSES MULTIPLE CROPPING -- CONGRESSES
631.58 S99M
Multiple cropping; proceedings - Madison American Society of Agronomy 1976 - 23cm; 378 - ASA special publication, no.27 .
MULTIPLE CROPPING -- CONGRESSES
CROPPING SYSTEM -- CONGRESSES MULTIPLE CROPPING -- CONGRESSES
631.58 S99M